Education: University of Calif Davis, Bachelor of Arts / Science
Stanford University, Master of Business Administration
Fourth-generation head of engineering behemoth Bechtel Group; company built Hoover Dam, Trans-Alaska Pipeline and Channel Tunnel. Father, Stephen, became company president 1960, chairman 1973; Riley now chairman, chief executive. Both believed to own 20% of company. Sales exceed $20 billion. Recently pulled out of Iraq after completing $2.3 billion in reconstruction work. Other projects: Tacoma Narrows Bridge in Seattle; New Doha International Airport in Qatar. Also owns stake in money management firm Fremont Group.